Refactor HPPA

Author: R33v0LT

MCInst.c

@@ -36,6 +36,7 @@ void MCInst_Init(MCInst *inst)
 		inst->tied_op_idx[i] = -1;
 	inst->isAliasInstr = false;
 	inst->fillDetailOps = false;
+	memset(&inst->hppa_ext, 0, sizeof(inst->hppa_ext));
 }
 
 void MCInst_clear(MCInst *inst)

Mapping.c

@@ -334,6 +334,7 @@ DEFINE_get_detail_op(ppc, PPC);
 DEFINE_get_detail_op(tricore, TriCore);
 DEFINE_get_detail_op(aarch64, AArch64);
 DEFINE_get_detail_op(alpha, Alpha);
+DEFINE_get_detail_op(hppa, HPPA);
 
 /// Returns true if for this architecture the
 /// alias operands should be filled.

Mapping.h

@@ -124,6 +124,7 @@ DECL_get_detail_op(ppc, PPC);
 DECL_get_detail_op(tricore, TriCore);
 DECL_get_detail_op(aarch64, AArch64);
 DECL_get_detail_op(alpha, Alpha);
+DECL_get_detail_op(hppa, HPPA);
 
 /// Increments the detail->arch.op_count by one.
 #define DEFINE_inc_detail_op_count(arch, ARCH) \
@@ -149,6 +150,8 @@ DEFINE_inc_detail_op_count(aarch64, AArch64);
 DEFINE_dec_detail_op_count(aarch64, AArch64);
 DEFINE_inc_detail_op_count(alpha, Alpha);
 DEFINE_dec_detail_op_count(alpha, Alpha);
+DEFINE_inc_detail_op_count(hppa, HPPA);
+DEFINE_dec_detail_op_count(hppa, HPPA);
 
 /// Returns true if a memory operand is currently edited.
 static inline bool doing_mem(const MCInst *MI)
@@ -175,6 +178,7 @@ DEFINE_get_arch_detail(ppc, PPC);
 DEFINE_get_arch_detail(tricore, TriCore);
 DEFINE_get_arch_detail(aarch64, AArch64);
 DEFINE_get_arch_detail(alpha, Alpha);
+DEFINE_get_arch_detail(hppa, HPPA);
 
 static inline bool detail_is_set(const MCInst *MI)
 {

MathExtras.h

@@ -430,6 +430,13 @@ static inline int64_t SignExtend64(uint64_t X, unsigned B) {
 	return (int64_t)(X << (64 - B)) >> (64 - B);
 }
 
+/// \brief Removes the rightmost bit of x and extends the field to the left with that
+/// bit to form a 64-bit quantity. The field is of size len
+static inline int64_t LowSignExtend64(uint64_t x, unsigned len)
+{
+    return (x >> 1) - ((x & 1) << (len - 1));
+}
+
 /// \brief One extend number X starting at bit B and returns it as int32_t.
 /// Requires 0 < B <= 32.
 static inline int32_t OneExtend32(uint32_t X, unsigned B) {
@@ -467,4 +474,13 @@ static inline unsigned int countLeadingZeros(int x)
 	return count;
 }
 
+/// \brief Get specified field from 32-bit instruction. Returns bits from the segment [from, to]
+static inline uint32_t get_insn_field(uint32_t insn, uint8_t from, uint8_t to) {
+	return insn >> (31 - to) & ((1 << (to - from + 1)) - 1);
+}
+/// \brief Get specified bit from 32-bit instruction
+static inline uint32_t get_insn_bit(uint32_t insn, uint8_t bit) {
+	return get_insn_field(insn, bit, bit);
+}
+
 #endif